:root {
  --primary-color: #1a365d;
  --primary-dark: #0d1b2a;
  --gold-color: #d4af37;
  --gold-light: #f5e6c8;
  --gray-dark: #2d3748;
  --gray-medium: #4a5568;
  --gray-light: #e2e8f0;
  --white: #ffffff;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
  --transition-fast: 0.3s ease;
  --transition-normal: 0.5s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
  line-height: 1.6;
  color: var(--gray-dark);
  background-color: var(--white);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Noto Serif SC', 'SimSun', serif;
  font-weight: 600;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 32px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition-fast);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  color: var(--white);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
  background: var(--primary-color);
  color: var(--white);
}

.btn-full {
  width: 100%;
}

.section-title {
  font-size: 32px;
  color: var(--primary-dark);
  text-align: center;
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 16px;
  color: var(--gray-medium);
  text-align: center;
  margin-bottom: 48px;
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(26, 54, 93, 0.95);
  backdrop-filter: blur(10px);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
}

.nav-brand {
  display: flex;
  flex-direction: row;
  align-items: center;
}

.brand-name {
  font-family: 'Noto Serif SC', serif;
  font-size: 24px;
  font-weight: 700;
  color: var(--gold-color);
}

.brand-name sup {
  font-size: 12px;
  color: var(--gold-light);
}

.brand-sub {
  font-size: 10px;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 2px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 32px;
}

.nav-links a {
  color: var(--white);
  text-decoration: none;
  font-size: 14px;
  transition: var(--transition-fast);
  position: relative;
}

.nav-links a:hover {
  color: var(--gold-color);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gold-color);
  transition: var(--transition-fast);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  width: 25px;
  height: 2px;
  background: var(--white);
}

.hero {
  min-height: 100vh;
  background: url('地道老西安人·品质包车主题图片生成.jpg');
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--white);
  position: relative;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(26, 54, 93, 0.5);
}

.hero-watermark-mask {
  position: absolute;
  bottom: 0;
  right: 10px;
  width: 200px;
  height: 200px;
  border-radius: 16px 16px 0 0;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
}

.hero-watermark-mask img {
  width: 100%;
  height: 100%;
  border-radius: 12px;
  object-fit: cover;
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-top: 80px;
}

.hero-badge {
  display: inline-block;
  padding: 8px 24px;
  background: rgba(212, 175, 55, 0.2);
  border: 1px solid var(--gold-color);
  border-radius: 20px;
  font-size: 14px;
  color: var(--gold-color);
  margin-bottom: 24px;
}

.hero h1 {
  font-size: 64px;
  font-weight: 700;
  margin-bottom: 16px;
}

.hero h1 sup {
  font-size: 24px;
  color: var(--gold-color);
}

.hero h2 {
  font-size: 28px;
  font-weight: 400;
  margin-bottom: 24px;
  opacity: 0.9;
}

.hero-desc {
  font-size: 18px;
  margin-bottom: 40px;
  opacity: 0.8;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 80px;
  margin-top: 80px;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-item {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 48px;
  font-weight: 700;
  color: var(--gold-color);
}

.stat-label {
  font-size: 14px;
  opacity: 0.7;
}

.trust-section {
  padding: 80px 0;
  background: var(--white);
}

.trust-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
}

.trust-card {
  background: var(--white);
  border-radius: 16px;
  padding: 40px 32px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
}

.trust-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.card-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--gold-color) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 32px;
}

.trust-card h3 {
  font-size: 20px;
  color: var(--primary-dark);
  margin-bottom: 12px;
}

.trust-card p {
  color: var(--gray-medium);
  margin-bottom: 24px;
  font-size: 14px;
  line-height: 1.8;
}

.card-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.card-features span {
  padding: 6px 16px;
  background: var(--gold-light);
  color: var(--primary-dark);
  border-radius: 20px;
  font-size: 12px;
}

.fleet-section {
  padding: 80px 0;
  background: var(--gray-light);
}

.fleet-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}

.fleet-card {
  background: var(--white);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
}

.fleet-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.fleet-image {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.fleet-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-normal);
}

.fleet-card:hover .fleet-image img {
  transform: scale(1.05);
}

.fleet-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 6px 16px;
  background: var(--gold-color);
  color: var(--white);
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

.fleet-card h3 {
  padding: 24px 24px 8px;
  font-size: 20px;
  color: var(--primary-dark);
}

.fleet-desc {
  padding: 0 24px 16px;
  color: var(--gray-medium);
  font-size: 14px;
}

.fleet-features {
  padding: 0 24px 24px;
  list-style: none;
}

.fleet-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
  font-size: 14px;
  color: var(--gray-dark);
}

.fleet-features i {
  color: var(--gold-color);
}

.drivers-section {
  padding: 80px 0;
  background: var(--white);
}

.drivers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}

.driver-card {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  border-radius: 16px;
  padding: 40px 32px;
  text-align: center;
  color: var(--white);
  transition: var(--transition-normal);
}

.driver-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.driver-avatar {
  width: 100px;
  height: 100px;
  margin: 0 auto 24px;
  background: rgba(212, 175, 55, 0.2);
  border: 2px solid var(--gold-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  color: var(--gold-color);
}

.driver-card h3 {
  font-size: 24px;
  margin-bottom: 8px;
}

.driver-title {
  font-size: 14px;
  color: var(--gold-color);
  margin-bottom: 16px;
}

.driver-desc {
  font-size: 14px;
  line-height: 1.8;
  opacity: 0.85;
  margin-bottom: 24px;
}

.driver-stats {
  display: flex;
  gap: 16px;
  justify-content: center;
}

.driver-stats span {
  padding: 6px 16px;
  background: rgba(212, 175, 55, 0.2);
  border-radius: 20px;
  font-size: 12px;
}

.routes-section {
  padding: 80px 0;
  background: var(--gray-light);
}

.routes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

.route-card {
  background: var(--white);
  border-radius: 16px;
  padding: 32px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
}

.route-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.route-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--gold-color) 0%, var(--primary-color) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 24px;
}

.route-card h3 {
  font-size: 18px;
  color: var(--primary-dark);
  margin-bottom: 8px;
}

.route-desc {
  font-size: 14px;
  color: var(--gray-medium);
  margin-bottom: 20px;
}

.route-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.route-tags .tag {
  padding: 4px 12px;
  background: var(--gold-light);
  color: var(--primary-dark);
  border-radius: 16px;
  font-size: 12px;
}

.stories-section {
  padding: 80px 0;
  background: var(--white);
}

.stories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.story-card {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  border-radius: 16px;
  padding: 32px;
  color: var(--white);
  transition: var(--transition-normal);
}

.story-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.story-icon {
  width: 64px;
  height: 64px;
  margin-bottom: 20px;
  background: rgba(212, 175, 55, 0.2);
  border: 2px solid var(--gold-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--gold-color);
}

.story-card h3 {
  font-size: 18px;
  margin-bottom: 12px;
}

.story-card p {
  font-size: 14px;
  line-height: 1.8;
  opacity: 0.9;
}

.booking-section {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
}

.booking-section .section-title,
.booking-section .section-subtitle {
  color: var(--white);
}

.booking-section .section-subtitle {
  opacity: 0.8;
}

.booking-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  max-width: 900px;
  margin: 0 auto;
}

.booking-contact {
  text-align: center;
  color: var(--white);
}

.booking-contact h3 {
  font-size: 20px;
  margin-bottom: 24px;
}

.contact-phone {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 40px;
  background: var(--gold-color);
  color: var(--primary-dark);
  border-radius: 12px;
  font-size: 24px;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition-fast);
  margin-bottom: 32px;
}

.contact-phone:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.contact-qr {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.qr-image {
  width: 150px;
  height: 150px;
  border-radius: 16px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.contact-qr p {
  font-size: 14px;
  opacity: 0.8;
}

.booking-form {
  background: var(--white);
  border-radius: 16px;
  padding: 40px;
}

.booking-form h3 {
  font-size: 20px;
  color: var(--primary-dark);
  margin-bottom: 24px;
  text-align: center;
}

.form-group {
  margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid var(--gray-light);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--gold-color);
}

.form-group textarea {
  resize: vertical;
}

.form-note {
  text-align: center;
  font-size: 12px;
  color: var(--gray-medium);
  margin-top: 16px;
}

.footer {
  background: var(--primary-dark);
  padding: 60px 0 24px;
  color: var(--white);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 48px;
  margin-bottom: 40px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
}

.footer-brand .brand-name {
  font-size: 32px;
  margin-bottom: 4px;
}

.footer-info p {
  font-size: 14px;
  opacity: 0.8;
  margin-bottom: 8px;
}

.footer-slogan p {
  font-size: 14px;
  opacity: 0.8;
  line-height: 1.8;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  text-align: center;
}

.footer-bottom p {
  font-size: 12px;
  opacity: 0.6;
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--primary-dark);
    flex-direction: column;
    padding: 20px;
    gap: 16px;
  }

  .nav-links.active {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }

  .hero h1 {
    font-size: 40px;
  }

  .hero h2 {
    font-size: 20px;
  }

  .hero-stats {
    gap: 32px;
    margin-top: 40px;
  }

  .stat-number {
    font-size: 32px;
  }

  .section-title {
    font-size: 24px;
  }

  .trust-cards,
  .fleet-grid,
  .drivers-grid,
  .routes-grid {
    grid-template-columns: 1fr;
  }

  .booking-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .contact-phone {
    font-size: 18px;
    padding: 12px 24px;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 32px;
  }

  .hero h2 {
    font-size: 16px;
  }

  .hero-desc {
    font-size: 14px;
  }

  .hero-stats {
    gap: 20px;
  }

  .stat-number {
    font-size: 24px;
  }

  .btn {
    padding: 10px 24px;
    font-size: 14px;
  }

  .booking-form {
    padding: 24px;
  }
}